A backlight module is provided. The backlight module includes a backplate, at least one supporter, and a plurality of light emitting devices. The supporter is disposed on the backplate, and includes a supporting portion and a buffering portion. The supporting portion is disposed between the buffering portion and the backplate. The elastic coefficient of the buffering portion is smaller than the elastic coefficient of the supporting portion. The light emitting devices are also disposed on the backplate. The supporter is disposed between the light emitting devices. The buffering portion of the supporter of the backlight module is adapted for buffering an external force applied upon the supporting porter or the element disposed thereupon.